Lewis & Short

ex-sībĭlo (exīb-), āvi, ātum, 1, v. a., to hiss out or forth.

  1. I. In gen. (only postAug.): dirum quiddam, Sen. de Ira, 3, 4: nescio quid tetrum, Petr. 64: confestim praesentiam nostram efflari exsibilarique jusserit, to be carried out by the wind, App. M. 5, p. 163, 20.
    1. B. In partic., to hiss off an actor from the stage (class.): histrio exsibilatur et exploditur, Cic. Par. 3, 2, 26; Suet. Aug. 45 fin.